From: Chris Friesen <chris.friesen@genband.com>
To: Jay Vosburgh <fubar@us.ibm.com>
Cc: Jiri Pirko <jiri@resnulli.us>, netdev <netdev@vger.kernel.org>,
andy@greyhouse.net
Subject: Re: bonding and SR-IOV -- do we need arp_validation for loadbalancing too?
Date: Tue, 24 Jul 2012 14:38:36 -0600 [thread overview]
Message-ID: <500F07CC.4030201@genband.com> (raw)
In-Reply-To: <500F032D.3070104@genband.com>
On 07/24/2012 02:18 PM, Chris Friesen wrote:
>
> A more general solution might be to have the device driver also track
> the time of the last incoming packet that came from the external
> network (rather than a VF) and having the bond driver ignore those
> packets for the purpose of link health. Doing this efficiently would
> likely require some kind of hardware support though--as an example the
> 82599 seems to support this with the "LB" bit in the rx descriptor.
That should of course be reversed. We want the bond driver to only use
the packets from the external network for the purpose of link health.
Does anyone other than bonding actually care about dev->last_rx? If not
then we could just change the drivers to only set it for external packets.
Chris
next prev parent reply other threads:[~2012-07-24 20:39 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-07-24 15:57 bonding and SR-IOV -- do we need arp_validation for loadbalancing too? Chris Friesen
2012-07-24 16:42 ` Jiri Pirko
2012-07-24 18:13 ` Jay Vosburgh
2012-07-24 20:18 ` Chris Friesen
2012-07-24 20:38 ` Chris Friesen [this message]
2012-07-24 20:49 ` Jay Vosburgh
2012-07-24 21:15 ` Nicolas de Pesloüan
2012-07-24 21:38 ` Chris Friesen
2012-07-27 14:55 ` Andy Gospodarek
2012-07-27 16:15 ` Chris Friesen
2012-07-27 17:13 ` Andy Gospodarek
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